The usage or vocabulary that is characteristic of a specific group of people.
The immigrants spoke an odd dialect of English.
2) Idiom NounIdiomatic Expression, Phrasal Idiom, Phrase, Set Phrase
An expression whose meanings cannot be inferred from the meanings of the words that make it up.
So - for this reason; therefore; "So what?".
Water - a liquid necessary for the life of most animals and plants; "Water started to come".
Touch - make physical contact with, come in contact with; "Touch me".